What is CVE-2019-12747?

CVE-2019-12747 is a high-severity vulnerability in Typo3, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2019-07-09.

How severe is CVE-2019-12747?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2019-12747 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Typo3

CVE-2019-12747

TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.

Vulnerability class: Insecure Deserialization

EPSS: 0.015 (72.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Typo3
N/a — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-12747?: CVE-2019-12747 is a high-severity vulnerability in Typo3, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2019-07-09.
How severe is CVE-2019-12747?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-12747 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.